I read something about this when I was looking for the same problem on my car,and a Ford pickup.The wires that plug in to the alternator are replaceable.Look them over good and replace them if you think they need it,maybe even if you dont.A mechanic friend told me the other day that if you dont replace them they might not warranty the alternator.Now I replaced 2 alternators on my Ford product 93 Mark VIII last fall.My car was running down the battery if it sat for a few days.Then if I drove at night the lights would get brighter,dimmer,next thing alternator would not charge except about 9 volts.After I put the 3rd alternator on(didnt know about the wires yet)I hooked up my battery charger,and went on about my business,working on other stuff,came back and checked it after about 10 minutes.It was not charging?Then as I watched the needle on the meter it tried to go up but there was a click and it quit.Hmmm,I check the cables(both are black) and Duh,I hooked them up backwards.Switched them and charged the battery up,been working since,knock on wood.Now I dont know for sure,but maybe?When I read about it a couple of months ago,it seemed like there were lots of people having trouble with alternators that were rebuilt is what they were blaming it on,and those wires,at least where I was reading when I Googled it because somebody else was asking about the same thing on their Ford F150.I dont know what size motor it was but it looks a lot like the one in my Mark VIII,a 4.6 V8.I wouldnt say hook it up backwards,but it makes me think I was lucky that it didnt fry something,and maybe got the circuit hot or something to where it worked.Could be wrong too.I have looked at my wires since then and they look brand new.I even took them off and shined them up with a wire brush on a die grinder where they were connected,That doesnt mean somethings not going on inside the insulation.That new kind of stuff they put on the roads in the winter around here is hard on wires too.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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